The OSI Network Model: What’s it Consist of?

Transcription

Hi, welcome to the term of the day: the OSI Network model, what’s it consist of?

Layer 1: the physical layer, providing a physical network connection, defining the electrical and physical characteristics

Layer 2: the datalink layer, which creates a point-to-point connection between network endpoints, receives and sends data to and from the network layer

Layer 3: the network layer, responsible for routing data between network endpoints

Layer 4: the transport layer, ensuring delivery and quality-of-service

Layer 5: the session layer, which creates, maintains, and terminates sessions between endpoints

Layer 6: the presentation layer, converting data streams into formats that can be handled by the lower layers

and Layer 7: the application layer, providing access to the services provided by the lower layers

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